Early warning device for rail transit platform screen door

The utility model discloses an early warning device for a rail transit platform screen door, which comprises a fixed door, the fixed door is provided with an opening, the opening is slidably connected with two sliding glass doors, the two sliding glass doors are both fixedly connected with first induction contacts, the two ends of the opening are both fixedly connected with second induction contacts, and the first induction contacts and the second induction contacts are arranged on the fixed door. The upper end of the fixed door is fixedly connected with a warning indicator, and the two second induction contact pieces are connected with the warning indicator at the same time through electric wires. According to the utility model, the structure is reasonable, through the first induction contact piece and the second induction contact piece, the warning indicator is driven to give an alarm to remind a worker, so that potential safety hazards are avoided. 本实用新型公开了一种用于轨道交通屏蔽门的预警装置，包括固定门，所述固定门上设有开口，所述开口滑动连接有两个滑动玻璃门